warnOnce() — vue Function Reference

Architecture documentation for the warnOnce() function in warn.ts from the vue codebase.

Function typescript CompilerSFC TemplateTransformer calls 1 called by 1

Entity Profile

CompilerSFC→ TemplateTransformer→ warnOnce() — vue Function Reference

Dependency Diagram

graph TD
  6364246b_4ca9_9d10_2feb_edc16524fcfd["warnOnce()"]
  1511bfca_4880_700d_193d_8660402396c3["warn.ts"]
  6364246b_4ca9_9d10_2feb_edc16524fcfd -->|defined in| 1511bfca_4880_700d_193d_8660402396c3
  6195696d_b4e9_b5d7_3dd5_1966a03d855f["compileScript()"]
  6195696d_b4e9_b5d7_3dd5_1966a03d855f -->|calls| 6364246b_4ca9_9d10_2feb_edc16524fcfd
  19d3061a_cec5_456e_f79a_305199ce32a7["warn()"]
  6364246b_4ca9_9d10_2feb_edc16524fcfd -->|calls| 19d3061a_cec5_456e_f79a_305199ce32a7
  style 6364246b_4ca9_9d10_2feb_edc16524fcfd fill:#6366f1,stroke:#818cf8,color:#fff

Relationship Graph

Source Code

packages/compiler-sfc/src/warn.ts lines 3–10

export function warnOnce(msg: string) {
  const isNodeProd =
    typeof process !== 'undefined' && process.env.NODE_ENV === 'production'
  if (!isNodeProd && !hasWarned[msg]) {
    hasWarned[msg] = true
    warn(msg)
  }
}